L-TEK IoT / Mbed 2 deprecated FireFly_IBMWatsonIoTPlatform

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   C12832 EthernetInterface MQTT mbed-rtos mbed

Fork of IBMIoTClientEthernetExample by IBM Watson IoT

main.cpp@22:e6b69714b59a, 2015-11-30 (annotated)

Committer:
skoda
Date:
Mon Nov 30 09:12:22 2015 +0000
Revision:
22:e6b69714b59a
Parent:
21:bb0d9f12da01
Child:
23:03835082a0de
Child:
24:437c753be4fd
before mbed library update

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samdanbury 6:37b6d0d56190 1 /*******************************************************************************
icraggs 16:2420bfbf5f1c 2 * Copyright (c) 2014, 2015 IBM Corp.
samdanbury 6:37b6d0d56190 3 *
samdanbury 6:37b6d0d56190 4 * All rights reserved. This program and the accompanying materials
samdanbury 6:37b6d0d56190 5 * are made available under the terms of the Eclipse Public License v1.0
samdanbury 6:37b6d0d56190 6 * and Eclipse Distribution License v1.0 which accompany this distribution.
samdanbury 6:37b6d0d56190 7 *
samdanbury 6:37b6d0d56190 8 * The Eclipse Public License is available at
samdanbury 6:37b6d0d56190 9 * http://www.eclipse.org/legal/epl-v10.html
samdanbury 6:37b6d0d56190 10 * and the Eclipse Distribution License is available at
samdanbury 6:37b6d0d56190 11 * http://www.eclipse.org/org/documents/edl-v10.php.
samdanbury 6:37b6d0d56190 12 *
samdanbury 6:37b6d0d56190 13 * Contributors:
samdanbury 6:37b6d0d56190 14 * Sam Danbury - initial implementation
samdanbury 6:37b6d0d56190 15 * Ian Craggs - refactoring to remove STL and other changes
icraggs 8:80d49dd91542 16 * Sam Grove - added check for Ethernet cable.
chris 10:0b5e0dfee08e 17 * Chris Styles - Added additional menu screen for software revision
icraggs 16:2420bfbf5f1c 18 * James Sutton - Mac fix and extra debug
icraggs 16:2420bfbf5f1c 19 * Ian Craggs - add not authorized messages
chris 10:0b5e0dfee08e 20 *
chris 10:0b5e0dfee08e 21 * To do :
chris 10:0b5e0dfee08e 22 * Add magnetometer sensor output to IoT data stream
chris 10:0b5e0dfee08e 23 *
samdanbury 6:37b6d0d56190 24 *******************************************************************************/
samdanbury 6:37b6d0d56190 25
samdanbury 6:37b6d0d56190 26 #include "LM75B.h"
samdanbury 6:37b6d0d56190 27 #include "MMA7660.h"
samdanbury 6:37b6d0d56190 28 #include "MQTTClient.h"
samdanbury 6:37b6d0d56190 29 #include "MQTTEthernet.h"
samdanbury 6:37b6d0d56190 30 #include "C12832.h"
samdanbury 6:37b6d0d56190 31 #include "Arial12x12.h"
samdanbury 6:37b6d0d56190 32 #include "rtos.h"
samdanbury 6:37b6d0d56190 33
chris 10:0b5e0dfee08e 34 // Update this to the next number *before* a commit
icraggs 18:94da9de96d54 35 #define __APP_SW_REVISION__ "18"
chris 10:0b5e0dfee08e 36
samdanbury 6:37b6d0d56190 37 // Configuration values needed to connect to IBM IoT Cloud
skoda 19:33804f085577 38 #define ORG "jfzeoz" // For a registered connection, replace with your org
skoda 22:e6b69714b59a 39 #define ID "mbedGateway" // For a registered connection, replace with your id
skoda 19:33804f085577 40 #define AUTH_TOKEN "123456789" // For a registered connection, replace with your auth-token
skoda 19:33804f085577 41 #define TYPE "FireFly" // For a registered connection, replace with your type
samdanbury 6:37b6d0d56190 42
samdanbury 6:37b6d0d56190 43 #define MQTT_PORT 1883
samdanbury 6:37b6d0d56190 44 #define MQTT_TLS_PORT 8883
samdanbury 6:37b6d0d56190 45 #define IBM_IOT_PORT MQTT_PORT
samdanbury 6:37b6d0d56190 46
samdanbury 6:37b6d0d56190 47 #define MQTT_MAX_PACKET_SIZE 250
samdanbury 6:37b6d0d56190 48
mazgch 11:7a6df9a2dcdc 49 #if defined(TARGET_UBLOX_C027)
mazgch 11:7a6df9a2dcdc 50 #warning "Compiling for mbed C027"
mazgch 11:7a6df9a2dcdc 51 #include "C027.h"
mazgch 11:7a6df9a2dcdc 52 #elif defined(TARGET_LPC1768)
samdanbury 6:37b6d0d56190 53 #warning "Compiling for mbed LPC1768"
samdanbury 6:37b6d0d56190 54 #include "LPC1768.h"
samdanbury 6:37b6d0d56190 55 #elif defined(TARGET_K64F)
samdanbury 6:37b6d0d56190 56 #warning "Compiling for mbed K64F"
samdanbury 6:37b6d0d56190 57 #include "K64F.h"
samdanbury 6:37b6d0d56190 58 #endif
samdanbury 6:37b6d0d56190 59
jsutton 14:1f961d19f3cf 60
icraggs 8:80d49dd91542 61 bool quickstartMode = true;
samdanbury 6:37b6d0d56190 62 char org[11] = ORG;
samdanbury 6:37b6d0d56190 63 char type[30] = TYPE;
samdanbury 6:37b6d0d56190 64 char id[30] = ID; // mac without colons
samdanbury 6:37b6d0d56190 65 char auth_token[30] = AUTH_TOKEN; // Auth_token is only used in non-quickstart mode
samdanbury 6:37b6d0d56190 66
samdanbury 6:37b6d0d56190 67 bool connected = false;
jsutton 14:1f961d19f3cf 68 bool mqttConnecting = false;
jsutton 14:1f961d19f3cf 69 bool netConnected = false;
jsutton 14:1f961d19f3cf 70 bool netConnecting = false;
jsutton 14:1f961d19f3cf 71 bool ethernetInitialising = true;
icraggs 16:2420bfbf5f1c 72 int connack_rc = 0; // MQTT connack return code
jsutton 14:1f961d19f3cf 73 int retryAttempt = 0;
jsutton 14:1f961d19f3cf 74 int menuItem = 0;
jsutton 14:1f961d19f3cf 75
samdanbury 6:37b6d0d56190 76 char* joystickPos = "CENTRE";
samdanbury 6:37b6d0d56190 77 int blink_interval = 0;
skoda 20:14a61a65afba 78 int respond = 0;
skoda 20:14a61a65afba 79 char* response = "00000000000000000000";
samdanbury 6:37b6d0d56190 80
jsutton 13:85801e3b83d3 81 char* ip_addr = "";
jsutton 13:85801e3b83d3 82 char* gateway_addr = "";
jsutton 14:1f961d19f3cf 83 char* host_addr = "";
jsutton 14:1f961d19f3cf 84 int connectTimeout = 1000;
skoda 20:14a61a65afba 85
skoda 20:14a61a65afba 86 uint16_t lux = 0;
skoda 20:14a61a65afba 87 uint16_t rx = 0;
skoda 20:14a61a65afba 88 uint16_t t = 0;
skoda 20:14a61a65afba 89 int16_t ax = 0;
skoda 20:14a61a65afba 90 int16_t ay = 0;
skoda 20:14a61a65afba 91 int16_t az = 0;
skoda 20:14a61a65afba 92 int16_t deviceID = 0;
skoda 22:e6b69714b59a 93 const int BUFFER_SIZE = 30;
skoda 22:e6b69714b59a 94 const int DATA_LENGTH = 20;
skoda 22:e6b69714b59a 95 int indexBufWrite = 0;
skoda 22:e6b69714b59a 96 int indexBufRead = 0;
skoda 22:e6b69714b59a 97 char IoTbuffer[BUFFER_SIZE][DATA_LENGTH];
skoda 22:e6b69714b59a 98
skoda 22:e6b69714b59a 99 int DELETE = 0;
skoda 20:14a61a65afba 100
skoda 20:14a61a65afba 101
skoda 20:14a61a65afba 102 Serial pc(USBTX, USBRX);
skoda 20:14a61a65afba 103
skoda 20:14a61a65afba 104
skoda 20:14a61a65afba 105
jsutton 14:1f961d19f3cf 106
jsutton 14:1f961d19f3cf 107 // If we wanted to manually set the MAC address,
jsutton 14:1f961d19f3cf 108 // this is how to do it. In this example, we take
jsutton 14:1f961d19f3cf 109 // the original Mbed Set MAC address and combine it
jsutton 14:1f961d19f3cf 110 // with a prefix of our choosing.
jsutton 14:1f961d19f3cf 111 /*
jsutton 14:1f961d19f3cf 112 extern "C" void $Super$$mbed_mac_address(char *s);
jsutton 14:1f961d19f3cf 113 extern "C" void $Sub$$mbed_mac_address(char *s)
jsutton 14:1f961d19f3cf 114 {
jsutton 15:09458079f4bb 115 char originalMAC[6] = "";
jsutton 15:09458079f4bb 116 $Super$$mbed_mac_address(originalMAC);
jsutton 14:1f961d19f3cf 117
jsutton 14:1f961d19f3cf 118 char mac[6];
jsutton 14:1f961d19f3cf 119 mac[0] = 0x00;
jsutton 14:1f961d19f3cf 120 mac[1] = 0x08;
jsutton 14:1f961d19f3cf 121 mac[2] = 0xdc;
jsutton 15:09458079f4bb 122 mac[3] = originalMAC[3];
jsutton 15:09458079f4bb 123 mac[4] = originalMAC[4];
jsutton 15:09458079f4bb 124 mac[5] = originalMAC[5];
jsutton 14:1f961d19f3cf 125 memcpy(s, mac, 6);
jsutton 14:1f961d19f3cf 126 }
jsutton 14:1f961d19f3cf 127 */
jsutton 13:85801e3b83d3 128
samdanbury 6:37b6d0d56190 129
samdanbury 6:37b6d0d56190 130 void off()
samdanbury 6:37b6d0d56190 131 {
samdanbury 6:37b6d0d56190 132 r = g = b = 1.0; // 1 is off, 0 is full brightness
samdanbury 6:37b6d0d56190 133 }
samdanbury 6:37b6d0d56190 134
samdanbury 6:37b6d0d56190 135 void red()
samdanbury 6:37b6d0d56190 136 {
samdanbury 6:37b6d0d56190 137 r = 0.7; g = 1.0; b = 1.0; // 1 is off, 0 is full brightness
samdanbury 6:37b6d0d56190 138 }
samdanbury 6:37b6d0d56190 139
samdanbury 6:37b6d0d56190 140 void yellow()
samdanbury 6:37b6d0d56190 141 {
samdanbury 6:37b6d0d56190 142 r = 0.7; g = 0.7; b = 1.0; // 1 is off, 0 is full brightness
samdanbury 6:37b6d0d56190 143 }
samdanbury 6:37b6d0d56190 144
samdanbury 6:37b6d0d56190 145 void green()
samdanbury 6:37b6d0d56190 146 {
samdanbury 6:37b6d0d56190 147 r = 1.0; g = 0.7; b = 1.0; // 1 is off, 0 is full brightness
samdanbury 6:37b6d0d56190 148 }
samdanbury 6:37b6d0d56190 149
samdanbury 6:37b6d0d56190 150
samdanbury 6:37b6d0d56190 151 void flashing_yellow(void const *args)
samdanbury 6:37b6d0d56190 152 {
samdanbury 6:37b6d0d56190 153 bool on = false;
icraggs 16:2420bfbf5f1c 154 while (!connected && connack_rc != MQTT_NOT_AUTHORIZED && connack_rc != MQTT_BAD_USERNAME_OR_PASSWORD) // flashing yellow only while connecting
samdanbury 6:37b6d0d56190 155 {
samdanbury 6:37b6d0d56190 156 on = !on;
samdanbury 6:37b6d0d56190 157 if (on)
samdanbury 6:37b6d0d56190 158 yellow();
samdanbury 6:37b6d0d56190 159 else
samdanbury 6:37b6d0d56190 160 off();
samdanbury 6:37b6d0d56190 161 wait(0.5);
samdanbury 6:37b6d0d56190 162 }
samdanbury 6:37b6d0d56190 163 }
samdanbury 6:37b6d0d56190 164
samdanbury 6:37b6d0d56190 165
samdanbury 6:37b6d0d56190 166 void flashing_red(void const *args) // to be used when the connection is lost
samdanbury 6:37b6d0d56190 167 {
samdanbury 6:37b6d0d56190 168 bool on = false;
samdanbury 6:37b6d0d56190 169 while (!connected)
samdanbury 6:37b6d0d56190 170 {
samdanbury 6:37b6d0d56190 171 on = !on;
samdanbury 6:37b6d0d56190 172 if (on)
samdanbury 6:37b6d0d56190 173 red();
samdanbury 6:37b6d0d56190 174 else
samdanbury 6:37b6d0d56190 175 off();
samdanbury 6:37b6d0d56190 176 wait(2.0);
samdanbury 6:37b6d0d56190 177 }
samdanbury 6:37b6d0d56190 178 }
samdanbury 6:37b6d0d56190 179
skoda 20:14a61a65afba 180 //matjaz dodamo nit za komunikacijo preko i2c
skoda 20:14a61a65afba 181 void firefly_com (void const *args)
skoda 20:14a61a65afba 182 {
skoda 20:14a61a65afba 183
skoda 20:14a61a65afba 184 char buf[100];
skoda 20:14a61a65afba 185 int i = 0;
skoda 20:14a61a65afba 186
skoda 20:14a61a65afba 187
skoda 20:14a61a65afba 188
skoda 20:14a61a65afba 189
skoda 20:14a61a65afba 190 LOG("Slave here i am ready to punish me\r\n");
skoda 20:14a61a65afba 191
skoda 20:14a61a65afba 192 /*
skoda 20:14a61a65afba 193 while(1){
skoda 20:14a61a65afba 194
skoda 20:14a61a65afba 195 masterI2C.write(addr, send_test_byte, 1); //write (int address, const char *data, int length, bool repeated=false)
skoda 20:14a61a65afba 196 Thread::wait(100); //da ima cas slave odgovorit
skoda 20:14a61a65afba 197 masterI2C.read(addr, recv_test_byte, 1);
skoda 20:14a61a65afba 198 LOG("I2C send 0x56 slave reflect 0x%x:\n", recv_test_byte[0]);
skoda 20:14a61a65afba 199 Thread::wait(1000);
skoda 20:14a61a65afba 200 }
skoda 20:14a61a65afba 201 */
skoda 20:14a61a65afba 202
skoda 20:14a61a65afba 203 while(1){
skoda 20:14a61a65afba 204
skoda 20:14a61a65afba 205
skoda 20:14a61a65afba 206 i = slave.receive();
skoda 22:e6b69714b59a 207 DELETE++;
skoda 22:e6b69714b59a 208 /*if(i>0)
skoda 22:e6b69714b59a 209 LOG("i: %d\r\n",i);*/
skoda 20:14a61a65afba 210
skoda 20:14a61a65afba 211 switch (i)
skoda 20:14a61a65afba 212 {
skoda 20:14a61a65afba 213 case I2CSlave::ReadAddressed:
skoda 22:e6b69714b59a 214 if(indexBufRead != indexBufWrite){
skoda 22:e6b69714b59a 215 slave.write(IoTbuffer[indexBufRead],20);
skoda 22:e6b69714b59a 216 LOG("Slave sent mesage: %s\r\n",IoTbuffer[indexBufRead]);
skoda 22:e6b69714b59a 217 indexBufRead++;
skoda 22:e6b69714b59a 218 if(indexBufRead == BUFFER_SIZE){
skoda 22:e6b69714b59a 219 indexBufRead = 0;
skoda 22:e6b69714b59a 220 }
skoda 22:e6b69714b59a 221 }else{
skoda 22:e6b69714b59a 222 response = "00000000000000000000";
skoda 22:e6b69714b59a 223 slave.write(response,20);
skoda 22:e6b69714b59a 224 //LOG("Slave sent mesage: %s\r\n",response);
skoda 22:e6b69714b59a 225 }
skoda 20:14a61a65afba 226 break;
skoda 20:14a61a65afba 227
skoda 20:14a61a65afba 228 case I2CSlave::WriteGeneral:
skoda 20:14a61a65afba 229
skoda 22:e6b69714b59a 230 slave.read(buf, 20);
skoda 20:14a61a65afba 231 //LOG("Napacen case\r\n");
skoda 20:14a61a65afba 232 break;
skoda 20:14a61a65afba 233
skoda 20:14a61a65afba 234 case I2CSlave::WriteAddressed:
skoda 20:14a61a65afba 235
skoda 22:e6b69714b59a 236 slave.read(buf, 20);
skoda 20:14a61a65afba 237 //parsanje
skoda 20:14a61a65afba 238 lux = ((uint16_t)buf[11] << 8) | buf[12]; //že skalirano v luxe
skoda 20:14a61a65afba 239 t = ((uint16_t)buf[13] << 8) | buf[14]; //raw
skoda 20:14a61a65afba 240
skoda 20:14a61a65afba 241 //buf[4] = 0x55;
skoda 20:14a61a65afba 242 //buf[5] = 0xff;
skoda 20:14a61a65afba 243 ax = ((uint16_t)buf[15] << 8) | buf[16]; //pospeškometer ay ax = (((buf[4]&0xFF) << 8) | (buf[5]&0xFF)); //pospeškometer ax
skoda 20:14a61a65afba 244 ax = (ax >> 6);
skoda 20:14a61a65afba 245 ay = ((uint16_t)buf[17] << 8) | buf[18]; //pospeškometer ay
skoda 20:14a61a65afba 246 ay = (ay >> 6);
skoda 20:14a61a65afba 247 az = ((uint16_t)buf[19] << 8) | buf[20]; //pospeškometer az
skoda 20:14a61a65afba 248 az = (az >> 6);
skoda 20:14a61a65afba 249
skoda 21:bb0d9f12da01 250 int tmp = 48;
skoda 21:bb0d9f12da01 251 deviceID = 0;
skoda 21:bb0d9f12da01 252 //sprintf(tmp, "%c%c", buf[3],buf[4]);
skoda 21:bb0d9f12da01 253 deviceID = (buf[3]-tmp)*10; //device ID from whom the message was received
skoda 21:bb0d9f12da01 254 deviceID += (buf[4]-tmp);
skoda 20:14a61a65afba 255 respond = 1;
skoda 20:14a61a65afba 256 //rh = ((uint16_t)buf[4] << 8) | buf[5];
skoda 20:14a61a65afba 257
skoda 22:e6b69714b59a 258 if(deviceID == 12){
skoda 22:e6b69714b59a 259 respond = 0;
skoda 22:e6b69714b59a 260 }
skoda 20:14a61a65afba 261
skoda 20:14a61a65afba 262 //LOG("Slave read 0x:%d\r\n", lux);
skoda 20:14a61a65afba 263 //LOG("Slave read 0x:%x%x%x%x\r\n", buf[0],buf[1],buf[2],buf[3]);
skoda 20:14a61a65afba 264 LOG("Slave Received %s \r\n", buf);
skoda 20:14a61a65afba 265
skoda 20:14a61a65afba 266 break;
skoda 20:14a61a65afba 267
skoda 20:14a61a65afba 268 } // switch ..
skoda 20:14a61a65afba 269 //Thread::wait(1);
skoda 20:14a61a65afba 270
skoda 20:14a61a65afba 271 }
skoda 20:14a61a65afba 272
skoda 20:14a61a65afba 273
skoda 20:14a61a65afba 274 }
skoda 20:14a61a65afba 275
samdanbury 6:37b6d0d56190 276
samdanbury 6:37b6d0d56190 277 void printMenu(int menuItem)
samdanbury 6:37b6d0d56190 278 {
icraggs 18:94da9de96d54 279 static char last_line1[30] = "", last_line2[30] = "";
icraggs 18:94da9de96d54 280 char line1[30] = "", line2[30] = "";
icraggs 18:94da9de96d54 281
samdanbury 6:37b6d0d56190 282 switch (menuItem)
samdanbury 6:37b6d0d56190 283 {
samdanbury 6:37b6d0d56190 284 case 0:
icraggs 18:94da9de96d54 285 sprintf(line1, "IBM IoT Cloud");
icraggs 18:94da9de96d54 286 sprintf(line2, "Scroll with joystick");
samdanbury 6:37b6d0d56190 287 break;
samdanbury 6:37b6d0d56190 288 case 1:
icraggs 18:94da9de96d54 289 sprintf(line1, "Go to:");
icraggs 18:94da9de96d54 290 sprintf(line2, "http://ibm.biz/iotqstart");
samdanbury 6:37b6d0d56190 291 break;
samdanbury 6:37b6d0d56190 292 case 2:
icraggs 18:94da9de96d54 293 sprintf(line1, "Device Identity:");
icraggs 18:94da9de96d54 294 sprintf(line2, "%s", id);
samdanbury 6:37b6d0d56190 295 break;
samdanbury 6:37b6d0d56190 296 case 3:
icraggs 18:94da9de96d54 297 sprintf(line1, "MQTT Status:");
icraggs 16:2420bfbf5f1c 298 if (mqttConnecting)
icraggs 18:94da9de96d54 299 sprintf(line2, "Connecting... %d/5", retryAttempt);
icraggs 16:2420bfbf5f1c 300 else
icraggs 16:2420bfbf5f1c 301 {
icraggs 16:2420bfbf5f1c 302 if (connected)
icraggs 18:94da9de96d54 303 sprintf(line2, "Connected");
icraggs 16:2420bfbf5f1c 304 else
icraggs 16:2420bfbf5f1c 305 {
icraggs 16:2420bfbf5f1c 306 switch (connack_rc)
icraggs 16:2420bfbf5f1c 307 {
icraggs 16:2420bfbf5f1c 308 case MQTT_CLIENTID_REJECTED:
icraggs 18:94da9de96d54 309 sprintf(line2, "Clientid rejected");
icraggs 16:2420bfbf5f1c 310 break;
icraggs 16:2420bfbf5f1c 311 case MQTT_BAD_USERNAME_OR_PASSWORD:
icraggs 18:94da9de96d54 312 sprintf(line2, "Invalid username or password");
icraggs 16:2420bfbf5f1c 313 break;
icraggs 16:2420bfbf5f1c 314 case MQTT_NOT_AUTHORIZED:
icraggs 18:94da9de96d54 315 sprintf(line2, "Not authorized");
icraggs 16:2420bfbf5f1c 316 break;
icraggs 16:2420bfbf5f1c 317 default:
icraggs 18:94da9de96d54 318 sprintf(line2, "Disconnected");
icraggs 16:2420bfbf5f1c 319 }
icraggs 16:2420bfbf5f1c 320 }
jsutton 14:1f961d19f3cf 321 }
samdanbury 6:37b6d0d56190 322 break;
chris 10:0b5e0dfee08e 323 case 4:
icraggs 18:94da9de96d54 324 sprintf(line1, "Ethernet State:");
icraggs 18:94da9de96d54 325 sprintf(line2, ethernetInitialising ? "Initializing..." : "Initialized");
jsutton 14:1f961d19f3cf 326 break;
jsutton 14:1f961d19f3cf 327 case 5:
icraggs 18:94da9de96d54 328 sprintf(line1, "Socket State:");
icraggs 16:2420bfbf5f1c 329 if (netConnecting)
icraggs 18:94da9de96d54 330 sprintf(line2, "Connecting... %d/5", retryAttempt);
icraggs 16:2420bfbf5f1c 331 else
icraggs 18:94da9de96d54 332 sprintf(line2, netConnected ? "Connected" : "Disconnected");
jsutton 13:85801e3b83d3 333 break;
jsutton 14:1f961d19f3cf 334 case 6:
icraggs 18:94da9de96d54 335 sprintf(line1, "IP Address:");
icraggs 18:94da9de96d54 336 sprintf(line2, "%s", ip_addr);
jsutton 13:85801e3b83d3 337 break;
jsutton 14:1f961d19f3cf 338 case 7:
icraggs 18:94da9de96d54 339 sprintf(line1, "Gateway:");
icraggs 18:94da9de96d54 340 sprintf(line2, "%s", gateway_addr);
jsutton 13:85801e3b83d3 341 break;
jsutton 14:1f961d19f3cf 342 case 8:
icraggs 18:94da9de96d54 343 sprintf(line1, "App version:");
icraggs 18:94da9de96d54 344 sprintf(line2, "%s", __APP_SW_REVISION__);
chris 10:0b5e0dfee08e 345 break;
jsutton 14:1f961d19f3cf 346 case 9:
icraggs 18:94da9de96d54 347 sprintf(line1, "Current Timeout:");
icraggs 18:94da9de96d54 348 sprintf(line2, "%d ms", connectTimeout);
jsutton 14:1f961d19f3cf 349 break;
samdanbury 6:37b6d0d56190 350 }
icraggs 18:94da9de96d54 351
icraggs 18:94da9de96d54 352 if (strcmp(line1, last_line1) != 0 || strcmp(line2, last_line2) != 0)
icraggs 18:94da9de96d54 353 {
icraggs 18:94da9de96d54 354 lcd.cls();
icraggs 18:94da9de96d54 355 lcd.locate(0, 0);
icraggs 18:94da9de96d54 356 lcd.printf(line1);
icraggs 18:94da9de96d54 357 strncpy(last_line1, line1, sizeof(last_line1));
icraggs 18:94da9de96d54 358
icraggs 18:94da9de96d54 359 lcd.locate(0,16);
icraggs 18:94da9de96d54 360 lcd.printf(line2);
icraggs 18:94da9de96d54 361 strncpy(last_line2, line2, sizeof(last_line2));
icraggs 18:94da9de96d54 362 }
samdanbury 6:37b6d0d56190 363 }
samdanbury 6:37b6d0d56190 364
samdanbury 6:37b6d0d56190 365
samdanbury 6:37b6d0d56190 366 void setMenu()
samdanbury 6:37b6d0d56190 367 {
jsutton 14:1f961d19f3cf 368
samdanbury 6:37b6d0d56190 369 if (Down)
samdanbury 6:37b6d0d56190 370 {
samdanbury 6:37b6d0d56190 371 joystickPos = "DOWN";
skoda 20:14a61a65afba 372 if (menuItem >= 0 && menuItem < 9)
samdanbury 6:37b6d0d56190 373 printMenu(++menuItem);
samdanbury 6:37b6d0d56190 374 }
samdanbury 6:37b6d0d56190 375 else if (Left)
samdanbury 6:37b6d0d56190 376 joystickPos = "LEFT";
samdanbury 6:37b6d0d56190 377 else if (Click)
samdanbury 6:37b6d0d56190 378 joystickPos = "CLICK";
samdanbury 6:37b6d0d56190 379 else if (Up)
samdanbury 6:37b6d0d56190 380 {
samdanbury 6:37b6d0d56190 381 joystickPos = "UP";
skoda 20:14a61a65afba 382 if (menuItem <= 9 && menuItem > 0)
samdanbury 6:37b6d0d56190 383 printMenu(--menuItem);
samdanbury 6:37b6d0d56190 384 }
samdanbury 6:37b6d0d56190 385 else if (Right)
samdanbury 6:37b6d0d56190 386 joystickPos = "RIGHT";
samdanbury 6:37b6d0d56190 387 else
samdanbury 6:37b6d0d56190 388 joystickPos = "CENTRE";
samdanbury 6:37b6d0d56190 389 }
samdanbury 6:37b6d0d56190 390
jsutton 13:85801e3b83d3 391 void menu_loop(void const *args)
jsutton 13:85801e3b83d3 392 {
jsutton 14:1f961d19f3cf 393 int count = 0;
icraggs 16:2420bfbf5f1c 394 while(true)
icraggs 16:2420bfbf5f1c 395 {
jsutton 13:85801e3b83d3 396 setMenu();
icraggs 16:2420bfbf5f1c 397 if (++count % 10 == 0)
jsutton 14:1f961d19f3cf 398 printMenu(menuItem);
jsutton 14:1f961d19f3cf 399 Thread::wait(100);
jsutton 13:85801e3b83d3 400 }
jsutton 13:85801e3b83d3 401 }
jsutton 13:85801e3b83d3 402
samdanbury 6:37b6d0d56190 403
samdanbury 6:37b6d0d56190 404 /**
samdanbury 6:37b6d0d56190 405 * Display a message on the LCD screen prefixed with IBM IoT Cloud
samdanbury 6:37b6d0d56190 406 */
samdanbury 6:37b6d0d56190 407 void displayMessage(char* message)
samdanbury 6:37b6d0d56190 408 {
samdanbury 6:37b6d0d56190 409 lcd.cls();
samdanbury 6:37b6d0d56190 410 lcd.locate(0,0);
samdanbury 6:37b6d0d56190 411 lcd.printf("IBM IoT Cloud");
samdanbury 6:37b6d0d56190 412 lcd.locate(0,16);
samdanbury 6:37b6d0d56190 413 lcd.printf(message);
samdanbury 6:37b6d0d56190 414 }
samdanbury 6:37b6d0d56190 415
samdanbury 6:37b6d0d56190 416
samdanbury 6:37b6d0d56190 417 int connect(MQTT::Client<MQTTEthernet, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTEthernet* ipstack)
samdanbury 6:37b6d0d56190 418 {
samdanbury 6:37b6d0d56190 419 const char* iot_ibm = ".messaging.internetofthings.ibmcloud.com";
samdanbury 6:37b6d0d56190 420
samdanbury 6:37b6d0d56190 421 char hostname[strlen(org) + strlen(iot_ibm) + 1];
samdanbury 6:37b6d0d56190 422 sprintf(hostname, "%s%s", org, iot_ibm);
jsutton 13:85801e3b83d3 423 EthernetInterface& eth = ipstack->getEth();
jsutton 13:85801e3b83d3 424 ip_addr = eth.getIPAddress();
jsutton 13:85801e3b83d3 425 gateway_addr = eth.getGateway();
jsutton 14:1f961d19f3cf 426
jsutton 14:1f961d19f3cf 427 // Construct clientId - d:org:type:id
jsutton 14:1f961d19f3cf 428 char clientId[strlen(org) + strlen(type) + strlen(id) + 5];
jsutton 14:1f961d19f3cf 429 sprintf(clientId, "d:%s:%s:%s", org, type, id);
jsutton 14:1f961d19f3cf 430
icraggs 16:2420bfbf5f1c 431 // Network debug statements
jsutton 14:1f961d19f3cf 432 LOG("=====================================\n");
jsutton 14:1f961d19f3cf 433 LOG("Connecting Ethernet.\n");
jsutton 14:1f961d19f3cf 434 LOG("IP ADDRESS: %s\n", eth.getIPAddress());
jsutton 14:1f961d19f3cf 435 LOG("MAC ADDRESS: %s\n", eth.getMACAddress());
jsutton 14:1f961d19f3cf 436 LOG("Gateway: %s\n", eth.getGateway());
jsutton 14:1f961d19f3cf 437 LOG("Network Mask: %s\n", eth.getNetworkMask());
jsutton 14:1f961d19f3cf 438 LOG("Server Hostname: %s\n", hostname);
jsutton 14:1f961d19f3cf 439 LOG("Client ID: %s\n", clientId);
jsutton 14:1f961d19f3cf 440 LOG("=====================================\n");
jsutton 14:1f961d19f3cf 441
jsutton 14:1f961d19f3cf 442 netConnecting = true;
jsutton 14:1f961d19f3cf 443 int rc = ipstack->connect(hostname, IBM_IOT_PORT, connectTimeout);
icraggs 16:2420bfbf5f1c 444 if (rc != 0)
icraggs 16:2420bfbf5f1c 445 {
icraggs 18:94da9de96d54 446 WARN("IP Stack connect returned: %d\n", rc);
samdanbury 6:37b6d0d56190 447 return rc;
jsutton 13:85801e3b83d3 448 }
jsutton 13:85801e3b83d3 449 netConnected = true;
jsutton 14:1f961d19f3cf 450 netConnecting = false;
jsutton 14:1f961d19f3cf 451
samdanbury 6:37b6d0d56190 452 // MQTT Connect
jsutton 14:1f961d19f3cf 453 mqttConnecting = true;
samdanbury 6:37b6d0d56190 454 MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
samdanbury 6:37b6d0d56190 455 data.MQTTVersion = 3;
samdanbury 6:37b6d0d56190 456 data.clientID.cstring = clientId;
samdanbury 6:37b6d0d56190 457
samdanbury 6:37b6d0d56190 458 if (!quickstartMode)
samdanbury 6:37b6d0d56190 459 {
samdanbury 6:37b6d0d56190 460 data.username.cstring = "use-token-auth";
samdanbury 6:37b6d0d56190 461 data.password.cstring = auth_token;
samdanbury 6:37b6d0d56190 462 }
samdanbury 6:37b6d0d56190 463
icraggs 8:80d49dd91542 464 if ((rc = client->connect(data)) == 0)
samdanbury 6:37b6d0d56190 465 {
samdanbury 6:37b6d0d56190 466 connected = true;
skoda 20:14a61a65afba 467 //green();
skoda 20:14a61a65afba 468 //matjaz zelja je da je off
skoda 20:14a61a65afba 469 off();
samdanbury 6:37b6d0d56190 470 displayMessage("Connected");
jsutton 13:85801e3b83d3 471 wait(1);
samdanbury 6:37b6d0d56190 472 displayMessage("Scroll with joystick");
samdanbury 6:37b6d0d56190 473 }
icraggs 16:2420bfbf5f1c 474 else
icraggs 16:2420bfbf5f1c 475 WARN("MQTT connect returned %d\n", rc);
icraggs 16:2420bfbf5f1c 476 if (rc >= 0)
icraggs 16:2420bfbf5f1c 477 connack_rc = rc;
jsutton 14:1f961d19f3cf 478 mqttConnecting = false;
samdanbury 6:37b6d0d56190 479 return rc;
samdanbury 6:37b6d0d56190 480 }
samdanbury 6:37b6d0d56190 481
samdanbury 6:37b6d0d56190 482
samdanbury 6:37b6d0d56190 483 int getConnTimeout(int attemptNumber)
samdanbury 6:37b6d0d56190 484 { // First 10 attempts try within 3 seconds, next 10 attempts retry after every 1 minute
samdanbury 6:37b6d0d56190 485 // after 20 attempts, retry every 10 minutes
samdanbury 6:37b6d0d56190 486 return (attemptNumber < 10) ? 3 : (attemptNumber < 20) ? 60 : 600;
samdanbury 6:37b6d0d56190 487 }
samdanbury 6:37b6d0d56190 488
samdanbury 6:37b6d0d56190 489
samdanbury 6:37b6d0d56190 490 void attemptConnect(MQTT::Client<MQTTEthernet, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTEthernet* ipstack)
samdanbury 6:37b6d0d56190 491 {
samdanbury 6:37b6d0d56190 492 connected = false;
icraggs 16:2420bfbf5f1c 493
icraggs 8:80d49dd91542 494 // make sure a cable is connected before starting to connect
icraggs 16:2420bfbf5f1c 495 while (!linkStatus())
icraggs 16:2420bfbf5f1c 496 {
icraggs 8:80d49dd91542 497 wait(1.0f);
icraggs 8:80d49dd91542 498 WARN("Ethernet link not present. Check cable connection\n");
icraggs 8:80d49dd91542 499 }
samdanbury 6:37b6d0d56190 500
icraggs 16:2420bfbf5f1c 501 while (connect(client, ipstack) != MQTT_CONNECTION_ACCEPTED)
samdanbury 6:37b6d0d56190 502 {
icraggs 16:2420bfbf5f1c 503 if (connack_rc == MQTT_NOT_AUTHORIZED || connack_rc == MQTT_BAD_USERNAME_OR_PASSWORD)
icraggs 16:2420bfbf5f1c 504 return; // don't reattempt to connect if credentials are wrong
icraggs 16:2420bfbf5f1c 505
samdanbury 6:37b6d0d56190 506 Thread red_thread(flashing_red);
chris 12:8b480eb8a496 507
samdanbury 6:37b6d0d56190 508 int timeout = getConnTimeout(++retryAttempt);
samdanbury 6:37b6d0d56190 509 WARN("Retry attempt number %d waiting %d\n", retryAttempt, timeout);
icraggs 8:80d49dd91542 510
icraggs 8:80d49dd91542 511 // if ipstack and client were on the heap we could deconstruct and goto a label where they are constructed
icraggs 8:80d49dd91542 512 // or maybe just add the proper members to do this disconnect and call attemptConnect(...)
icraggs 8:80d49dd91542 513
icraggs 8:80d49dd91542 514 // this works - reset the system when the retry count gets to a threshold
icraggs 8:80d49dd91542 515 if (retryAttempt == 5)
icraggs 8:80d49dd91542 516 NVIC_SystemReset();
icraggs 8:80d49dd91542 517 else
icraggs 8:80d49dd91542 518 wait(timeout);
samdanbury 6:37b6d0d56190 519 }
samdanbury 6:37b6d0d56190 520 }
samdanbury 6:37b6d0d56190 521
samdanbury 6:37b6d0d56190 522
samdanbury 6:37b6d0d56190 523 int publish(MQTT::Client<MQTTEthernet, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTEthernet* ipstack)
samdanbury 6:37b6d0d56190 524 {
skoda 20:14a61a65afba 525 //moje float spremenljivke
skoda 20:14a61a65afba 526 float tempC = 0.0f;
skoda 20:14a61a65afba 527 float fax = 0.0f;
skoda 20:14a61a65afba 528 float fay = 0.0f;
skoda 20:14a61a65afba 529 float faz = 0.0f;
skoda 20:14a61a65afba 530
samdanbury 6:37b6d0d56190 531 MQTT::Message message;
samdanbury 6:37b6d0d56190 532 char* pubTopic = "iot-2/evt/status/fmt/json";
samdanbury 6:37b6d0d56190 533
samdanbury 6:37b6d0d56190 534 char buf[250];
skoda 20:14a61a65afba 535 /*
samdanbury 6:37b6d0d56190 536 sprintf(buf,
samdanbury 6:37b6d0d56190 537 "{\"d\":{\"myName\":\"IoT mbed\",\"accelX\":%0.4f,\"accelY\":%0.4f,\"accelZ\":%0.4f,\"temp\":%0.4f,\"joystick\":\"%s\",\"potentiometer1\":%0.4f,\"potentiometer2\":%0.4f}}",
samdanbury 6:37b6d0d56190 538 MMA.x(), MMA.y(), MMA.z(), sensor.temp(), joystickPos, ain1.read(), ain2.read());
skoda 20:14a61a65afba 539 */
skoda 20:14a61a65afba 540 //moj float preracun
skoda 20:14a61a65afba 541 // Scaled by 100
skoda 20:14a61a65afba 542 tempC = (((float)175.72 * t) / 65536) - 46.85;
skoda 20:14a61a65afba 543
skoda 20:14a61a65afba 544 fax = (float) ax / 256.0f;
skoda 20:14a61a65afba 545 fax = abs(fax);
skoda 20:14a61a65afba 546 fay = (float) ay / 256.0f;
skoda 20:14a61a65afba 547 fay = abs(fay);
skoda 20:14a61a65afba 548 faz = (float) az / 256.0f;
skoda 20:14a61a65afba 549 faz = abs(faz);
skoda 20:14a61a65afba 550
skoda 22:e6b69714b59a 551 /*sprintf(buf,
skoda 22:e6b69714b59a 552 "{\"d\":{\"myName\":\"IoT mbed\",\"lux\":%d,\"accelX\":%0.3f,\"accelY\":%0.3f,\"accelZ\":%0.3f,\"temp\":%0.1f,\"deviceID\":%d}}",
skoda 22:e6b69714b59a 553 lux, fax, fay, faz, tempC, deviceID);*/
skoda 22:e6b69714b59a 554
skoda 20:14a61a65afba 555 sprintf(buf,
skoda 22:e6b69714b59a 556 "{\"d\":{\"myName\":\"IoT mbed\",\"lux\":%d,\"temp\":%0.1f,\"deviceID\":%d}}",
skoda 22:e6b69714b59a 557 lux, tempC, deviceID);
samdanbury 6:37b6d0d56190 558 message.qos = MQTT::QOS0;
samdanbury 6:37b6d0d56190 559 message.retained = false;
samdanbury 6:37b6d0d56190 560 message.dup = false;
samdanbury 6:37b6d0d56190 561 message.payload = (void*)buf;
samdanbury 6:37b6d0d56190 562 message.payloadlen = strlen(buf);
samdanbury 6:37b6d0d56190 563
samdanbury 6:37b6d0d56190 564 LOG("Publishing %s\n", buf);
icraggs 8:80d49dd91542 565 return client->publish(pubTopic, message);
samdanbury 6:37b6d0d56190 566 }
samdanbury 6:37b6d0d56190 567
samdanbury 6:37b6d0d56190 568
samdanbury 6:37b6d0d56190 569 char* getMac(EthernetInterface& eth, char* buf, int buflen) // Obtain MAC address
samdanbury 6:37b6d0d56190 570 {
samdanbury 6:37b6d0d56190 571 strncpy(buf, eth.getMACAddress(), buflen);
samdanbury 6:37b6d0d56190 572
samdanbury 6:37b6d0d56190 573 char* pos; // Remove colons from mac address
samdanbury 6:37b6d0d56190 574 while ((pos = strchr(buf, ':')) != NULL)
samdanbury 6:37b6d0d56190 575 memmove(pos, pos + 1, strlen(pos) + 1);
samdanbury 6:37b6d0d56190 576 return buf;
samdanbury 6:37b6d0d56190 577 }
chris 12:8b480eb8a496 578
samdanbury 6:37b6d0d56190 579
samdanbury 6:37b6d0d56190 580 void messageArrived(MQTT::MessageData& md)
samdanbury 6:37b6d0d56190 581 {
samdanbury 6:37b6d0d56190 582 MQTT::Message &message = md.message;
samdanbury 6:37b6d0d56190 583 char topic[md.topicName.lenstring.len + 1];
samdanbury 6:37b6d0d56190 584
samdanbury 6:37b6d0d56190 585 sprintf(topic, "%.*s", md.topicName.lenstring.len, md.topicName.lenstring.data);
samdanbury 6:37b6d0d56190 586
samdanbury 6:37b6d0d56190 587 LOG("Message arrived on topic %s: %.*s\n", topic, message.payloadlen, message.payload);
skoda 22:e6b69714b59a 588 LOG("Slave i2c working %d\n", DELETE);
skoda 20:14a61a65afba 589
samdanbury 6:37b6d0d56190 590 // Command topic: iot-2/cmd/blink/fmt/json - cmd is the string between cmd/ and /fmt/
samdanbury 6:37b6d0d56190 591 char* start = strstr(topic, "/cmd/") + 5;
samdanbury 6:37b6d0d56190 592 int len = strstr(topic, "/fmt/") - start;
samdanbury 6:37b6d0d56190 593
samdanbury 6:37b6d0d56190 594 if (memcmp(start, "blink", len) == 0)
samdanbury 6:37b6d0d56190 595 {
samdanbury 6:37b6d0d56190 596 char payload[message.payloadlen + 1];
samdanbury 6:37b6d0d56190 597 sprintf(payload, "%.*s", message.payloadlen, (char*)message.payload);
skoda 20:14a61a65afba 598
samdanbury 6:37b6d0d56190 599 char* pos = strchr(payload, '}');
samdanbury 6:37b6d0d56190 600 if (pos != NULL)
samdanbury 6:37b6d0d56190 601 {
samdanbury 6:37b6d0d56190 602 *pos = '\0';
samdanbury 6:37b6d0d56190 603 if ((pos = strchr(payload, ':')) != NULL)
samdanbury 6:37b6d0d56190 604 {
samdanbury 6:37b6d0d56190 605 int blink_rate = atoi(pos + 1);
samdanbury 6:37b6d0d56190 606 blink_interval = (blink_rate <= 0) ? 0 : (blink_rate > 50 ? 1 : 50/blink_rate);
samdanbury 6:37b6d0d56190 607 }
samdanbury 6:37b6d0d56190 608 }
skoda 20:14a61a65afba 609 }else if (memcmp(start, "respond", len) == 0)
skoda 20:14a61a65afba 610 {
skoda 20:14a61a65afba 611 char payload[message.payloadlen + 1];
skoda 20:14a61a65afba 612 sprintf(payload, "%.*s", message.payloadlen, (char*)message.payload);
skoda 20:14a61a65afba 613
skoda 20:14a61a65afba 614 char* pos = strchr(payload, '}');
skoda 20:14a61a65afba 615 if (pos != NULL)
skoda 20:14a61a65afba 616 {
skoda 20:14a61a65afba 617 *pos = '\0';
skoda 20:14a61a65afba 618 if ((pos = strchr(payload, ':')) != NULL)
skoda 20:14a61a65afba 619 {
skoda 20:14a61a65afba 620 response = (pos+1);
skoda 22:e6b69714b59a 621
skoda 22:e6b69714b59a 622 strcpy(IoTbuffer[indexBufWrite], response);
skoda 22:e6b69714b59a 623 //LOG("%d sporocilo v bufferju: %s size of IoTbuffer: %d \r\n", indexBufWrite, IoTbuffer[indexBufWrite], response);
skoda 22:e6b69714b59a 624 indexBufWrite++;
skoda 22:e6b69714b59a 625 if(indexBufWrite == BUFFER_SIZE){
skoda 22:e6b69714b59a 626 indexBufWrite = 0;
skoda 22:e6b69714b59a 627 }
skoda 22:e6b69714b59a 628
skoda 22:e6b69714b59a 629 //LOG("%s \n", response);
skoda 20:14a61a65afba 630 }
skoda 20:14a61a65afba 631 }
skoda 20:14a61a65afba 632 }else
samdanbury 6:37b6d0d56190 633 WARN("Unsupported command: %.*s\n", len, start);
samdanbury 6:37b6d0d56190 634 }
samdanbury 6:37b6d0d56190 635
samdanbury 6:37b6d0d56190 636
samdanbury 6:37b6d0d56190 637 int main()
skoda 22:e6b69714b59a 638 {
skoda 20:14a61a65afba 639 pc.baud(115200);
skoda 20:14a61a65afba 640
icraggs 8:80d49dd91542 641 quickstartMode = (strcmp(org, "quickstart") == 0);
icraggs 8:80d49dd91542 642
samdanbury 6:37b6d0d56190 643 lcd.set_font((unsigned char*) Arial12x12); // Set a nice font for the LCD screen
samdanbury 6:37b6d0d56190 644
samdanbury 6:37b6d0d56190 645 led2 = LED2_OFF; // K64F: turn off the main board LED
samdanbury 6:37b6d0d56190 646
skoda 20:14a61a65afba 647 //matjaz set I2C parameters
skoda 20:14a61a65afba 648 slave.address(0xC2);
skoda 20:14a61a65afba 649 slave.frequency(400000);
skoda 20:14a61a65afba 650
samdanbury 6:37b6d0d56190 651 displayMessage("Connecting");
jsutton 13:85801e3b83d3 652 Thread yellow_thread(flashing_yellow);
jsutton 13:85801e3b83d3 653 Thread menu_thread(menu_loop);
skoda 20:14a61a65afba 654 Thread firefly (firefly_com);
jsutton 13:85801e3b83d3 655
jsutton 14:1f961d19f3cf 656 LOG("***** IBM IoT Client Ethernet Example *****\n");
samdanbury 6:37b6d0d56190 657 MQTTEthernet ipstack;
jsutton 14:1f961d19f3cf 658 ethernetInitialising = false;
samdanbury 6:37b6d0d56190 659 MQTT::Client<MQTTEthernet, Countdown, MQTT_MAX_PACKET_SIZE> client(ipstack);
icraggs 18:94da9de96d54 660 LOG("Ethernet Initialized\n");
jsutton 13:85801e3b83d3 661
samdanbury 6:37b6d0d56190 662 if (quickstartMode)
icraggs 16:2420bfbf5f1c 663 getMac(ipstack.getEth(), id, sizeof(id));
icraggs 16:2420bfbf5f1c 664
icraggs 16:2420bfbf5f1c 665 attemptConnect(&client, &ipstack);
icraggs 16:2420bfbf5f1c 666
icraggs 16:2420bfbf5f1c 667 if (connack_rc == MQTT_NOT_AUTHORIZED || connack_rc == MQTT_BAD_USERNAME_OR_PASSWORD)
samdanbury 6:37b6d0d56190 668 {
icraggs 16:2420bfbf5f1c 669 red();
icraggs 16:2420bfbf5f1c 670 while (true)
icraggs 16:2420bfbf5f1c 671 wait(1.0); // Permanent failures - don't retry
samdanbury 6:37b6d0d56190 672 }
icraggs 16:2420bfbf5f1c 673
samdanbury 6:37b6d0d56190 674 if (!quickstartMode)
samdanbury 6:37b6d0d56190 675 {
samdanbury 6:37b6d0d56190 676 int rc = 0;
samdanbury 6:37b6d0d56190 677 if ((rc = client.subscribe("iot-2/cmd/+/fmt/json", MQTT::QOS1, messageArrived)) != 0)
samdanbury 6:37b6d0d56190 678 WARN("rc from MQTT subscribe is %d\n", rc);
samdanbury 6:37b6d0d56190 679 }
samdanbury 6:37b6d0d56190 680
samdanbury 6:37b6d0d56190 681 blink_interval = 0;
samdanbury 6:37b6d0d56190 682 int count = 0;
skoda 20:14a61a65afba 683
skoda 20:14a61a65afba 684 pc.baud(115200);
samdanbury 6:37b6d0d56190 685 while (true)
samdanbury 6:37b6d0d56190 686 {
skoda 20:14a61a65afba 687 if (respond>0)
samdanbury 6:37b6d0d56190 688 { // Publish a message every second
samdanbury 6:37b6d0d56190 689 if (publish(&client, &ipstack) != 0)
samdanbury 6:37b6d0d56190 690 attemptConnect(&client, &ipstack); // if we have lost the connection
skoda 20:14a61a65afba 691 respond = 0;
samdanbury 6:37b6d0d56190 692 }
samdanbury 6:37b6d0d56190 693
skoda 20:14a61a65afba 694 /*if (blink_interval == 0)
samdanbury 6:37b6d0d56190 695 led2 = LED2_OFF;
samdanbury 6:37b6d0d56190 696 else if (count % blink_interval == 0)
skoda 20:14a61a65afba 697 led2 = !led2;*/
skoda 20:14a61a65afba 698
samdanbury 6:37b6d0d56190 699 client.yield(10); // allow the MQTT client to receive messages
samdanbury 6:37b6d0d56190 700 }
skoda 20:14a61a65afba 701
skoda 20:14a61a65afba 702
skoda 20:14a61a65afba 703 /*
skoda 20:14a61a65afba 704 while(1){
skoda 20:14a61a65afba 705 static int i;
skoda 20:14a61a65afba 706 static char buf[20];
skoda 20:14a61a65afba 707 uint16_t lux;
skoda 20:14a61a65afba 708
skoda 20:14a61a65afba 709 i = slave.receive();
skoda 20:14a61a65afba 710
skoda 20:14a61a65afba 711 if(i>0)
skoda 20:14a61a65afba 712 LOG("i: %d\r\n",i);
skoda 20:14a61a65afba 713
skoda 20:14a61a65afba 714 switch (i)
skoda 20:14a61a65afba 715 {
skoda 20:14a61a65afba 716 case I2CSlave::ReadAddressed:
skoda 20:14a61a65afba 717
skoda 20:14a61a65afba 718 slave.write(buf,2);
skoda 20:14a61a65afba 719 LOG("Slave send mesage0x%x\r\n",buf[0]);
skoda 20:14a61a65afba 720 break;
skoda 20:14a61a65afba 721
skoda 20:14a61a65afba 722 case I2CSlave::WriteGeneral:
skoda 20:14a61a65afba 723
skoda 20:14a61a65afba 724 slave.read(buf, 10);
skoda 20:14a61a65afba 725 LOG("Napacen case\r\n");
skoda 20:14a61a65afba 726 break;
skoda 20:14a61a65afba 727
skoda 20:14a61a65afba 728 case I2CSlave::WriteAddressed:
skoda 20:14a61a65afba 729
skoda 20:14a61a65afba 730 slave.read(buf, 19);
skoda 20:14a61a65afba 731 lux = ((uint16_t)buf[0] << 8) | buf[1];
skoda 20:14a61a65afba 732
skoda 20:14a61a65afba 733 LOG("Slave read 0x:%d\r\n", lux);
skoda 20:14a61a65afba 734
skoda 20:14a61a65afba 735 break;
skoda 20:14a61a65afba 736
skoda 20:14a61a65afba 737 } // switch ..
skoda 20:14a61a65afba 738
skoda 20:14a61a65afba 739 }
skoda 20:14a61a65afba 740 */
samdanbury 6:37b6d0d56190 741 }